Penumbra - Friday Night Funkin Poly Engine

Game Information

Category
FNF Online
Players
2081
Updated
2026-06-02
Rating
4.6/5 (1823 votes)
Controls
Click/Tap or Spacebar
Platform
Web Browser (HTML5)

Penumbra – Friday Night Funkin Poly Engine Rhythm Game

Penumbra is a free online rhythm game running on the Poly Engine, available at fnf.gosprunki.net. This FNF experience features smooth performance and custom charting.

Controls & Commissions

  • Play using Arrow keys, DFJK, or ASL
  • Press E to toggle downscroll mode
  • The creator accepts commissions for song ports – as long as the song doesn't require event mechanics, they will port it (note: events may be omitted).

Engine Credits

Powered by Poly Engine 0.1.2.9. Credits: @SobbleGod for song porting and engine modifications, @FlyingMusicNote for creating the engine, @Shmish21 for input and charting system, and @ne_la for chart compilation. Report bugs to @Ceemech.

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Additional Details